CppEditor: Hide ClangdSettingsPage setup in .cpp

Change-Id: I3606e503ea512750b06a94901e5391ce6dae86e3
Reviewed-by: David Schulz <david.schulz@qt.io>

src/plugins/cppeditor/cppcodemodelsettingspage.cpp

@@ -575,13 +575,22 @@ private:
     ClangdSettingsWidget m_widget;
 };
 
-ClangdSettingsPage::ClangdSettingsPage()
+class ClangdSettingsPage final : public Core::IOptionsPage
+{
+public:
+    ClangdSettingsPage()
     {
         setId(Constants::CPP_CLANGD_SETTINGS_ID);
         setDisplayName(Tr::tr("Clangd"));
         setCategory(Constants::CPP_SETTINGS_CATEGORY);
         setWidgetCreator([] { return new ClangdSettingsPageWidget; });
     }
+};
+
+void setupClangdSettingsPage()
+{
+    static ClangdSettingsPage theClangdSettingsPage;
+}
 
 class ClangdProjectSettingsWidget : public ProjectSettingsWidget
 {

src/plugins/cppeditor/cppcodemodelsettingspage.h

@@ -15,12 +15,6 @@ public:
     explicit CppCodeModelSettingsPage(CppCodeModelSettings *settings);
 };
 
-class ClangdSettingsPage final : public Core::IOptionsPage
-{
-public:
-    explicit ClangdSettingsPage();
-};
-
 class ClangdSettingsWidget : public QWidget
 {
     Q_OBJECT
@@ -40,5 +34,6 @@ private:
 };
 
 void setupClangdProjectSettingsPanel();
+void setupClangdSettingsPage();
 
 } // CppEditor::Internal

src/plugins/cppeditor/cppeditorplugin.cpp

@@ -160,11 +160,6 @@ public:
 class CppEditorPluginPrivate : public QObject
 {
 public:
-    ~CppEditorPluginPrivate()
-    {
-        delete m_clangdSettingsPage;
-    }
-
     void onTaskStarted(Utils::Id type);
     void onAllTasksFinished(Utils::Id type);
     void inspectCppCodeModel();
@@ -189,7 +184,6 @@ public:
     CppFileSettings m_fileSettings;
     CppFileSettingsPage m_cppFileSettingsPage{&m_fileSettings};
     CppCodeModelSettingsPage m_cppCodeModelSettingsPage{&m_codeModelSettings};
-    ClangdSettingsPage *m_clangdSettingsPage = nullptr;
     CppCodeStyleSettingsPage m_cppCodeStyleSettingsPage;
     CppProjectUpdaterFactory m_cppProjectUpdaterFactory;
 };
@@ -238,7 +232,13 @@ void CppEditorPlugin::initialize()
 
 void CppEditorPlugin::extensionsInitialized()
 {
-    setupProjectPanels();
+    setupCppQuickFixProjectPanel();
+    setupCppFileSettingsProjectPanel();
+
+    if (CppModelManager::isClangCodeModelActive()) {
+        setupClangdProjectSettingsPanel();
+        setupClangdSettingsPage();
+    }
 
     d->m_fileSettings.fromSettings(ICore::settings());
     d->m_fileSettings.addMimeInitializer();
@@ -478,17 +478,6 @@ void CppEditorPlugin::addGlobalActions()
                                        &CppModelManager::updateModifiedSourceFiles);
 }
 
-void CppEditorPlugin::setupProjectPanels()
-{
-    setupCppQuickFixProjectPanel();
-    setupCppFileSettingsProjectPanel();
-
-    if (CppModelManager::isClangCodeModelActive()) {
-        d->m_clangdSettingsPage = new ClangdSettingsPage;
-        setupClangdProjectSettingsPanel();
-    }
-}
-
 void CppEditorPlugin::registerVariables()
 {
     MacroExpander * const expander = globalMacroExpander();

src/plugins/cppeditor/cppeditorplugin.h

@@ -58,7 +58,6 @@ private:
     void addActionsForSelections();
     void addPerFileActions();
     void addGlobalActions();
-    void setupProjectPanels();
     void registerVariables();
     void registerTests();